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Help CenterExtended Stem Pressure Balanced Pneumatic Flow Control Valve
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Extended Stem Pressure Balanced Pneumatic Flow Control Valve(HCB) Characteristics:
This product is composed of the pneumatic multi-springs, pneumatic actuator and the low flow resistance sleeve. This valve uses the balanced valve Disc, the unbalanced force is small, the permission pressure differential is big, and operation is steady. Compared with the ordinary single and double seat-regulating valve, it has low noise, simple structure and convenient assembling and dismantling characteristics. The extended Stem can also be used for low temperature
Its valve shape is small, the body is light, the performance is good, and the capacity is big. So it's the new type general regulating valve product. It is suitable for the common fluid medium and techniques condition industrial control system.
Extended Stem Pressure Balanced Pneumatic Flow Control Valve Specifications:
|
DN |
20~450mm |
|
PN |
Class150~2500 |
|
Applicable temperature range |
-30ºC~260ºC (single-seat structure) |
|
-196ºC~570ºC(double-seat structure) | |
|
Trim features |
sleeve guided type, balanced trim structure |
|
Body type |
straight-through type, angle type |
|
Bonnet type |
standard type, heat dissipation type, cryogenic type |
|
Flow characteristic |
equal percentage, Linear, quick open |
|
Shut-off class |
ASME B16.104 V (standard metal seat) |
|
AS ME B16.104 V I (shut-off soft seat) | |
|
Pipe connection type |
flange type, Butt welding type |
|
Actuator type |
pneumatic diaphragm actuator |
|
pneumatic piston actuator | |
|
Electric actuator |
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